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477TH AVE over CK

Grant County, South Dakota

Map

Coordinates:
+45.21550, -96.66125
45°12'56" N, 96°39'40" W

View more info at Bridgehunter.com

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	477TH AVE over CK
Structure number:	000000026280076
Location:	1W & 0.6S MILBANK
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	39.0 ft. `[11.9 m]`
Total length:	40.0 ft. `[12.2 m]`
Roadway width between curbs:	22.6 ft. `[6.9 m]`
Deck width edge-to-edge:	23.3 ft. `[7.1 m]`
Owner:	County Highway Agency `[02]`
Year built:	2000
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Prestressed concrete `[5]`
Main span design:	Tee beam `[04]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Integral Concrete (separate non-modified layer of concrete added to structural deck) `[2]`

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	30 `[as of 2016]`
Truck traffic:	2% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. `[U]`
Sufficiency rating:	99.0

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
July 2018	Good	Good	Good	Good	30	99.0
July 2016	Good	Good	Good	Good	30	99.0
July 2014	Good	Good	Very Good	Good	30	99.0
August 2012	Good	Good	Very Good	Good	30	99.0
August 2010	Good	Good	Very Good	Good	30	99.0
September 2008	Good	Good	Very Good	Good	30	99.0
August 2006	Good	Good	Very Good	Good	30	91.8
August 2004	Good	Good	Very Good	Good	30	88.1
October 2002	Good	Good	Very Good	Good	30	88.1
September 2000	Good	Good	Very Good	Good	30	89.1
August 1998	Fair	Good	Fair	Satisfactory	30	37.0
June 1996	Poor	Poor	Poor	Satisfactory	30	34.0
November 1994	Poor	Poor	Poor	Satisfactory	30	26.5
December 1992	Poor	Poor	Poor	Satisfactory	30	26.5
October 1990	Poor	Poor	Poor	Satisfactory	30	26.5

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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